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Finding the Fourth Proportional to 702,935.52, 970,049.27 and 380,645.62

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Solution

The fourth proportional to 702,935.52, 970,049.27 and 380,645.62 is: 525,290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,935.52 : 970,049.27 = 380,645.62 : x
  2. Step 2: Convert to fraction form
    702,935.52/970,049.27 = 380,645.62/x
  3. Step 3: Cross multiply
    702,935.52x = 970,049.27 × 380,645.62
  4. Step 4: Simplify right side
    702,935.52x = 369,245,005,809.70
  5. Step 5: Solve for x
    x = 369,245,005,809.70/702,935.52
  6. Step 6: Final answer
    x = 525,290.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.